MADISON - New federal filings show a super PAC supporting Gov. Scott Walker's bid for the 2016 Republican presidential nomination has raised a little more than $20 million over the first 11 weeks or so of its existence

Filings released Friday show Unintimidated PAC raised $20.02 million between April 16, when Walker's former campaign managers formed it, and June 30. The filings show Beloit billionaire Diane Hendricks gave the PAC $5 million. The Ricketts family, which owns the Chicago Cubs, gave the PAC another $5 million.

Super PACs are political committees that operate independently of candidates and can't coordinate strategy with their campaigns. But they often play an outsized role in shaping how voters view the candidates, because they can buy so much more advertising than the campaigns can afford.

CHICAGO - The Chicago City Council is recommending that lactation rooms be placed in every terminal at the city's two major airports.

The vote by the council's finance committee came after Chicago Aviation Commissioner Ginger Evans promised to install three lactation rooms at O'Hare International Airport by the end of the year, regardless of whether the ordinance passes.

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